The Bihar factory Rules 1950State Rules of Bihar · 1948
11) Drinking water shall not be supplied from any open well or reser', oif unless it is so constructed, situated, prbiected and maintained as to be free from the possibility of pollution by ihemical, or bacterial antl extraneous impurities-
(2) Where drinking water is supplied from such well or reservoir the water'iri it shall be sterilised once a week cr morefrequently if the Inspector by written order so requires, and the date on wbich sterilising is carried cut shall be recorded:
t !
Provided that this requirement shall not apply voir if the water therein is filtered and treated to tbe Officer before it is supplied for consumption.